* {
  padding: 0;
  margin: 0;
}

body {
  background-color: aqua;
}

.page {
  width: 100%;
  height: 100vh;
}

.page-top {
  z-index: 999;
  top: 0;
  left: 0;
  position: fixed;
  display: flex;
  /*居中*/
  align-items: center;
  /*左右分开*/
  justify-content: space-between;
  width: 95%;
  padding-left: 2.5%;
  padding-right: 2.5%;
  height: 10.8vh;
  background-color: white;
  box-shadow: 4px 0px 4px 0px #180c0c;
}

.page-con {
  display: flex;
  height: 89.2vh;
  margin-top: 10.8vh;
}

.page-top a {
  color: orange;
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
}

.page-top p {
  font-size: 16px;
  color: black;
  opacity: 0.45;
}

.pc-nav {
  position: fixed;
  left: 0;
  top: 0;
  height: 89.2vh;
  padding-top: 10.8vh;
  width: 9%;
  background-color: pink;
  box-shadow: 4px 0px 4px 0px #ccc;
}

.pc-box {
  height: 1000px;
  margin-left: 11%;
}

.nav a {
  display: block;
  text-align: center;
  color: #333;
  text-decoration: none;
  padding: 20px 0px;
}

.code {
  text-align: center;
}

.code p {
  color: #666;
  font-size: 14px;
  margin-top: 5px;
}

.code img {
  width: 120px;
  height: 120px;
}